diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2014-12-15 08:27:57 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-12-15 08:32:45 -0800 |
| commit | 4fb6d98c92870d7f693667267bbb3ef427e1c976 (patch) | |
| tree | 5b1cdc5bdb58b6823136d800a5459ae0b6df5a38 /bfd | |
| parent | d236d41ee7a66700420697710f783d6832dc6aeb (diff) | |
| download | binutils-4fb6d98c92870d7f693667267bbb3ef427e1c976.tar.gz binutils-4fb6d98c92870d7f693667267bbb3ef427e1c976.tar.bz2 binutils-4fb6d98c92870d7f693667267bbb3ef427e1c976.zip | |
Check corrupt input
PR ld/17713
* elflink.c (_bfd_elf_gc_mark_rsec): Check corrupt input.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elflink.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0ebd6d7103b..a4af0beb214 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2014-12-15 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/17713 + * elflink.c (_bfd_elf_gc_mark_rsec): Check corrupt input. + 2014-12-13 H.J. Lu <hongjiu.lu@intel.com> PR ld/17689 diff --git a/bfd/elflink.c b/bfd/elflink.c index c964a98021c..94ab762a53a 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -11683,6 +11683,12 @@ _bfd_elf_gc_mark_rsec (struct bfd_link_info *info, asection *sec, || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL) { h = cookie->sym_hashes[r_symndx - cookie->extsymoff]; + if (h == NULL) + { + info->callbacks->einfo (_("%F%P: corrupt input: %B\n"), + sec->owner); + return NULL; + } while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) h = (struct elf_link_hash_entry *) h->root.u.i.link; |